[imnuts]

You won't find a ROM that has Sense 2.5 that is as stable or as fast as a Sense 2.1 ROM. Sense 2.5 isn't made for our devices and is made for the HD2, that is why it lags on the phone. There are also the issues with HTC Messaging that will prevent it from ever being as stable as Sense 2.1. Have you tried Mighty's latest stable? It has the Sense 2.5 email and calendar tabs on it, so you still get some of the nice stuff from 2.5 with the stability of 2.1.